1 /*
2  * Copyright (c) 2012 Dave Vasilevsky <dave@vasilevsky.ca>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 #ifndef SQFS_COMMON_H
26 #define SQFS_COMMON_H
27 
28 #include "config.h"
29 
30 #include <stdbool.h>
31 #include <stdint.h>
32 #include <sys/types.h>
33 
34 #ifdef _WIN32
35 	#include <win32.h>
36 #else
37 	typedef mode_t sqfs_mode_t;
38 	typedef uid_t sqfs_id_t;
39 	typedef off_t sqfs_off_t;
40 	typedef int sqfs_fd_t;
41 #endif
42 
43 typedef enum {
44 	SQFS_OK,
45 	SQFS_ERR,
46 	SQFS_BADFORMAT,		/* unsupported file format */
47 	SQFS_BADVERSION,	/* unsupported squashfs version */
48 	SQFS_BADCOMP,		/* unsupported compression method */
49 	SQFS_UNSUP			/* unsupported feature */
50 } sqfs_err;
51 
52 #define SQFS_INODE_ID_BYTES 6
53 typedef uint64_t sqfs_inode_id;
54 typedef uint32_t sqfs_inode_num;
55 
56 typedef struct sqfs sqfs;
57 typedef struct sqfs_inode sqfs_inode;
58 
59 typedef struct {
60 	size_t size;
61 	void *data;
62 } sqfs_block;
63 
64 typedef struct {
65 	sqfs_off_t block;
66 	size_t offset;
67 } sqfs_md_cursor;
68 
69 #endif
70